Discovery of a large-scale clumpy structure of the Lynx supercluster at z[similar]1.27

Details Discovery of a large-scale clumpy structure of the Lynx supercluster at z[similar]1.27 Discovery of a large-scale clumpy structure of the Lynx supercluster at z[similar]1.27

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ogci.conf...29n&link_type=abstract

Outskirts of Galaxy Clusters: Intense Life in the Suburbs. Edited by Antonaldo Diaferio, IAU Colloquium #195, p.29-33

Computer Science

Scientific paper

We report the discovery of a probable large-scale structure composed of many galaxy clumps around the known twin clusters at z=1.26 and z=1.27 in the Lynx region. Our analysis is based on deep, panoramic, and multi-colour imaging with the Suprime-Cam on the 8.2 m Subaru telescope. We apply a photometric redshift technique to extract plausible cluster members at z˜1.27 down to ˜ M*+2.5. From the 2-D distribution of these photometrically selected galaxies, we newly identify seven candidates of galaxy groups or clusters where the surface density of red galaxies is significantly high (>5σ), in addition to the two known clusters, comprising the largest most distant supercluster ever identified.

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